Home / 349,020.97-481,636.13-213,282.11

Finding the Fourth Proportional to 349,020.97, 481,636.13 and 213,282.11

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Solution

The fourth proportional to 349,020.97, 481,636.13 and 213,282.11 is: 294,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,020.97 : 481,636.13 = 213,282.11 : x
  2. Step 2: Convert to fraction form
    349,020.97/481,636.13 = 213,282.11/x
  3. Step 3: Cross multiply
    349,020.97x = 481,636.13 × 213,282.11
  4. Step 4: Simplify right side
    349,020.97x = 102,724,370,196.31
  5. Step 5: Solve for x
    x = 102,724,370,196.31/349,020.97
  6. Step 6: Final answer
    x = 294,321.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.